<!DOCTYPE HTML>
<html>
	<head>
		<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
		<title>SlickGrid example 3: Editing</title>
		<link rel="stylesheet" href="../slick.grid.css" type="text/css" media="screen" charset="utf-8" />
        <link rel="stylesheet" href="../css/smoothness/jquery-ui-1.8.5.custom.css" type="text/css" media="screen" charset="utf-8" />
		<link rel="stylesheet" href="examples.css" type="text/css" media="screen" charset="utf-8" />
		<style>
		.cell-title {
			font-weight: bold;
		}

		.cell-effort-driven {
			text-align: center;
		}
	</style>
	</head>
	<body>
        <div style="position:relative">
		<div style="width:600px;">
			<div id="myGrid" style="width:100%;height:500px;"></div>
		</div>

		<div class="options-panel">
            <h2>Demonstrates:</h2>
            <ul>
                <li>Using "editCommandHandler" option to intercept edit commands and implement undo support</li>
            </ul>

            <h2>Controls:</h2>
            <button onclick="undo()"><img src="../images/arrow_undo.png" align="absmiddle"> Undo</button> 
		</div>
        </div>

		<script src="../lib/firebugx.js"></script>

		<script src="../lib/jquery-1.4.3.min.js"></script>
		<script src="../lib/jquery-ui-1.8.5.custom.min.js"></script>
		<script src="../lib/jquery.event.drag-2.0.min.js"></script>

		<script src="../slick.core.js"></script>
		<script src="../slick.editors.js"></script>
		<script src="../slick.grid.js"></script>

		<script>
		function requiredFieldValidator(value) {
			if (value == null || value == undefined || !value.length)
				return {valid:false, msg:"This is a required field"};
			else
				return {valid:true, msg:null};
		}

		var grid;
		var data = [];

		var columns = [
			{id:"title", name:"Title", field:"title", width:120, cssClass:"cell-title", editor:TextCellEditor, validator:requiredFieldValidator},
            {id:"desc", name:"Description", field:"description", width:100, editor:LongTextCellEditor},
            {id:"duration", name:"Duration", field:"duration", editor:TextCellEditor},
			{id:"%", name:"% Complete", field:"percentComplete", width:80, resizable:false, formatter:GraphicalPercentCompleteCellFormatter, editor:PercentCompleteCellEditor},
			{id:"start", name:"Start", field:"start", minWidth:60, editor:DateCellEditor},
			{id:"finish", name:"Finish", field:"finish", minWidth:60, editor:DateCellEditor},
			{id:"effort-driven", name:"Effort Driven", width:80, minWidth:20, maxWidth:80, cssClass:"cell-effort-driven", field:"effortDriven", formatter:BoolCellFormatter, editor:YesNoCheckboxCellEditor}
		];

		var options = {
			editable: true,
			enableAddRow: false,
			enableCellNavigation: true,
			asyncEditorLoading: false,
            autoEdit: false,
            editCommandHandler: queueAndExecuteCommand
		};

        var commandQueue = [];

        function queueAndExecuteCommand(item,column,editCommand) {
            commandQueue.push(editCommand);
            editCommand.execute();
        }

        function undo() {
            var command = commandQueue.pop();
            if (command && Slick.GlobalEditorLock.cancelCurrentEdit()) {
                command.undo();
                grid.gotoCell(command.row,command.cell,false);
            }
        }

		$(function()
		{
			for (var i=0; i<500; i++) {
				var d = (data[i] = {});

				d["title"] = "Task " + i;
                d["description"] = "This is a sample task description.\n  It can be multiline";
				d["duration"] = "5 days";
				d["percentComplete"] = Math.round(Math.random() * 100);
				d["start"] = "01/01/2009";
				d["finish"] = "01/05/2009";
				d["effortDriven"] = (i % 5 == 0);
			}

			grid = new Slick.Grid("#myGrid", data, columns, options);
		})
		</script>
	</body>
</html>
